Display panel and display device

Abstract

A display panel and a display device. The display panel includes a first display region, a second display region and a boundary between the first display region and the second display region, a light transmittance of the second display region is greater than that of the first display region, the display panel includes a substrate and a pixel layer, the pixel layer includes a plurality of first sub-pixels arranged in a first arrangement in the first display region and a plurality of second sub-pixels arranged in a second arrangement in the second display region, the second arrangement is different from the first arrangement, a second light-emitting structure of each second sub-pixel and a first light-emitting structure of each first sub-pixel respectively adjacent to the boundary and having a same color are interconnected to form an interconnected light-emitting structure.

What is claimed is: 
     
       1. A display panel comprising a first display region, a second display region and a boundary between the first display region and the second display region, a light transmittance of the second display region being greater than a light transmittance of the first display region, and the display panel comprising:
 a substrate; and 
 a pixel layer located on the substrate, 
 wherein the pixel layer comprises: 
 a plurality of first sub-pixels arranged in a first arrangement in the first display region, and each of the first sub-pixels comprising a first light-emitting structure; and 
 a plurality of second sub-pixels arranged in a second arrangement in the second display region, and each of the second sub-pixels comprising a second light-emitting structure, and the second arrangement of the second sub-pixels being different from the first arrangement of the first sub-pixels, and 
 the second light-emitting structure of each of the second sub-pixels and the first light-emitting structure of each of the first sub-pixels respectively adjacent to the boundary and having a same color are interconnected to form an interconnected light-emitting structure. 
 
     
     
       2. The display panel of  claim 1 , wherein the pixel layer further comprises a pixel-defining layer, the pixel-defining layer comprising:
 a plurality of first pixel openings located in the first display region and configured to respectively receive a plurality of first light-emitting structures of the first sub-pixels; 
 a plurality of second pixel openings located in the second display region and configured to respectively receive a plurality of second light-emitting structures of the second sub-pixels; and 
 a plurality of third pixel openings configured to respectively receive a plurality of interconnected light-emitting structures of the first sub-pixels and the second sub-pixels; a portion of each of the third pixel openings being located in the first display region, the other portion of each of the third pixel openings being located in the second display region. 
 
     
     
       3. The display panel of  claim 2 , wherein the third pixel opening is a T-shaped opening. 
     
     
       4. The display panel of  claim 2 , wherein the third pixel opening is an L-shaped opening. 
     
     
       5. The display panel of  claim 1 , wherein an orthographic projection of the interconnected light-emitting structure on the substrate is shaped as a T. 
     
     
       6. The display panel of  claim 1 , wherein an orthographic projection of the interconnected light-emitting structure on the substrate is shaped as an L. 
     
     
       7. The display panel of  claim 1 , wherein a density of the second sub-pixels in the second display region is lower than a density of the first sub-pixels in the first display region, and a size of the second light-emitting structure of the second sub-pixel is larger than a size of the first light-emitting structure of the first sub-pixel having a same color with the second light-emitting structure of the second sub-pixel. 
     
     
       8. The display panel of  claim 1 , wherein each of the first sub-pixels further comprises a first electrode which is connected to a side of the first light-emitting structure facing the substrate and a second electrode which is connected to a side of the first light-emitting structure facing away from the substrate; and
 each of the second sub-pixels further comprises a third electrode which is connected to a side of the second light-emitting structure facing the substrate and a fourth electrode which is connected to a side of the second light-emitting structure facing away from the substrate, 
 wherein there is an interval between the first electrode and the third electrode which are connected to a same interconnected light-emitting structure. 
 
     
     
       9. The display panel of  claim 8 , wherein the first electrode is a light-transmitting electrode and the third electrode is a light-transmitting electrode. 
     
     
       10. The display panel of  claim 8 , wherein the first electrode is a reflective electrode and the third electrode is a reflective electrode. 
     
     
       11. The display panel of  claim 8 , wherein the second electrode is a magnesium-silver alloy layer and the fourth electrode is a magnesium-silver alloy layer. 
     
     
       12. The display panel of  claim 1 , wherein the first arrangement of the first sub-pixels comprises a plurality of sub-pixel columns, and each of the sub-pixel columns comprises a plurality of first sub-pixel groups repeatedly arranged in sequence, and each of the first sub-pixel groups comprises a plurality of first sub-pixels with different colors, any two first sub-pixels disposed in any two adjacent sub-pixel columns are not aligned. 
     
     
       13. The display panel of  claim 12 , wherein the second arrangement of the second sub-pixels comprises a plurality of sub-pixel rows, and each of the sub-pixel rows comprises a plurality of second sub-pixel groups repeatedly arranged in sequence, and each of the second sub-pixel groups comprises a plurality of second sub-pixels with different colors; and
 a direction in which the sub-pixel row extends is perpendicular to a direction in which the sub-pixel column extends. 
 
     
     
       14. The display panel of  claim 1 , wherein the first display region comprises a main display region and a transition display region which is located between the main display region and the second display region, and the display panel further comprises:
 at least one second pixel circuit located in the transition display region, the at least one second pixel circuit being electrically connected to the second sub-pixels and being configured to drive the second sub-pixels to display. 
 
     
     
       15. The display panel of  claim 1 , wherein the light transmittance of the second display region is equal to or greater than 15%. 
     
     
       16. A display device comprising the display panel according to  claim 1 . 
     
     
       17. The display device of  claim 16 , wherein the display panel comprises a first surface and a second surface opposite to each other, the first surface is a display surface, and the display device further comprises:
 at least one photosensitive component located at a side of the display panel where the second surface is located, and the at least one photosensitive component being corresponding to the second display region.